What’s Vulnerable › Vulnerabilities
CVE-2021-34597: Phoenix Contact: PC Worx/-Express prone to improper input validation vulnerability
- Severity: medium (CVSS 6.8 v2.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-11-04 · updated 2026-06-17
- Weakness: CWE-20
Description
Improper Input Validation vulnerability in PC Worx Automation Suite of Phoenix Contact up to version 1.88 could allow an attacker with a manipulated project file to unpack arbitrary files outside of the selected project directory.
Affected products
- PHOENIX CONTACT PC Worx: through 1.88
- PHOENIX CONTACT PC Worx Express: through 1.88
References
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